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- W2390330884 abstract "This paper introduces USB(Unified S-Band System ),continuous wave measuring system and GPS principles,and then describes and designs a kind of spread spectrum TTC system for medium and low earth orbit satellites. We suggest that for medium and low earth orbit satellites, uplink signal of TTC system should be coherent with downlink signal in respect of carrier and ranging pseudo code,in order to synchonize uplink signal and downlink signal and eliminate time difference between satellite transponder and ground station.This paper also describes spread spectrum system and its operation principle." @default.
- W2390330884 created "2016-06-24" @default.
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- W2390330884 date "2006-01-01" @default.
- W2390330884 modified "2023-09-25" @default.
- W2390330884 title "Study on Satellite Spread-spectrum TTC System" @default.
- W2390330884 hasPublicationYear "2006" @default.
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